5049-1. Specifications
IS350/250_U (OM53758U)
■Spark plug
Cooling system
IS250IS350
Capacity 11.1 qt. (10.5 L, 9.2 Imp. qt.) 9.8 qt. (9.3 L, 8.2 Imp. qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-silicate,
non-amine, non-nitrite, and non-borate coolant with long-
life hybrid organic acid technology
Do not use plain water alone.
Ignition system
Make DENSO FK20HBR11
Gap0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Open voltage at 68F
(20 C):12.6 12.8 V Fully charged
12.2
12.4 V Half charged
11.8
12.0 V Discharged
(Check the voltage 20 minutes after the engine and all
lights are turned off.)
Charging rates5 A max.
5209-1. Specifications
IS350/250_U (OM53758U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km un der that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the numb er of occupants specified
in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in the
third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
554Alphabetical index
IS350/250_U (OM53758U)
Back-up lightsReplacing light bulbs ......................... 441
Wattage ................................................. 509
Battery.......................................................408 Battery checking ............................... 408
If the vehicle battery is discharged.................................... 490
Preparing and checking before winter ....................................................254
Warning light ...................................... 455
Bluetooth
®
Audio system ...................................... 309
Hands-free system (for cellular phone) ........................... 311
Bottle holders ......................................... 360
Brake Fluid...........................................................407
Parking brake......................................... 172
Warning light ...................................... 455
Brake assist ............................................. 234
Break-in tips.............................................. 147
Brightness control Instrument panel light control .........84
BSM (Blind Spot Monitor)................ 246 Care................................................384, 387
Aluminum wheels ..............................384
Exterior ...................................................384
Interior ..................................................... 387
Seat belts............................................... 388
Cargo capacity ....................................... 156
Cargo hooks ...........................................362
CD player.................................................287
Chains ....................................................... 255
Child restraint system ............................54 Booster seats, definition .................... 55
Booster seats, installation ................. 64
Convertible seats, definition ........... 55
Convertible seats, installation........... 61
Front passenger occupant classification system..........................47
Infant seats, definition.......................... 55
Infant seats, installation......................... 61
Installing CRS with LATCH anchors ..................... 59
Installing CRS with seat belts ........... 61
Installing CRS with top tether strap......................... 65
BC
564Alphabetical index
IS350/250_U (OM53758U)
Radar cruise control (dynamic radar cruise control) ..........................196
Radiator .................................................... 406
Radio........................................................... 281
Rear personal lights............................. 357 Wattage ................................................. 509
Rear seats ................................................... 121 Fold down the seatback .................... 121
Luggage security system .................. 110
Rear sunshade ....................................... 367 Operation ..............................................367
Reverse operation feature.............367
Rear turn signal lights ...........................170 Replacing light bulbs ........................439
Turn signal lever .................................. 170
Wattage ................................................. 509
Rear view mirror Inside rear view mirror ......................132
Outside rear view mirrors .............. 134 Rear view monitor system .................. 221
Rear window defoggers .................... 350
Refueling................................................... 188
Capacity.................................................502
Fuel types...............................................502
If the fuel filler door cannot be opened .......................... 190
Opening the fuel tank cap ............. 190
Remote Touch
*
Replacing Electronic key battery ......................427
Fuses ........................................................ 429
Light bulbs............................................. 432
Tires .......................................................... 475
Reporting safety defects for U.S. owners .................................. 536
Reset the maintenance data .............. 391
Rev indicator ............................................. 88
Rev peak ..................................................... 88
R
571Alphabetical index
IS350/250_U (OM53758U)
Washer ...................................................... 182Checking................................................. 410
Preparing and checking before winter ....................................254
Switch........................................................ 182
Washing and waxing........................... 384
Weight Cargo capacity .................................... 156
Load limits............................................... 156
Weight.................................................... 500
Wheels ...................................................... 423 Replacing wheels ............................... 423
Size ........................................................... 507
Window glasses ...................................... 137
Window lock switch .............................. 137
Windows .................................................... 137 Power windows ....................................137
Rear window defogger.................. 350
Windshield wiper de-icer .................350
Windshield wipers ................................ 182 Intermittent windshield wipers with interval adjuster ...... 182
Rain-sensing windshield wipers .................................................... 184
Winter driving tips................................ 254
Wireless remote control ...................... 98 Battery-Saving Function.................... 115
Locking/Unlocking................. 103, 109
Replacing the battery ....................... 427
WMA disc ............................................... 287 XM
® Satellite Radio ............................. 281
X